Three separation unit operations – disc screen, magnet, and air classifier – are available for use in separating a feed made up of paper, ferrous, and glass. The splits (fraction of each material being rejected in each operation) are as given: Material split Magnet 0.7 Feed in tons/hour | Disc Screen Air Classifier Раper 40 0.9 0.3 Ferrous 50 0.2 0.2 0.5 Glass 30 0.7 0.8 0.4 For the given layout:- Air classifier - Disc Screen - Magnet (a) Calculate the mass extracted for each unit (b) Calculate the mass rejected for each unit (c) Calculate the overall recovery and purity of paper.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Three separation unit operations – disc screen, magnet, and air classifier – are available for
use in separating a feed made up of paper, ferrous, and glass. The splits (fraction of each
material being rejected in each operation) are as given:
Material
Feed in
split
Magnet
0.7
tons/hour Disc Screen
Air Classifier
Раper
40
0.9
0.3
Ferrous
50
0.2
0.2
0.5
Glass
30
0.7
0.8
0.4
For the given layout:- Air classifier - Disc Screen - Magnet
(a) Calculate the mass extracted for each unit
(b) Calculate the mass rejected for each unit
(c) Calculate the overall recovery and purity of paper.
Transcribed Image Text:Three separation unit operations – disc screen, magnet, and air classifier – are available for use in separating a feed made up of paper, ferrous, and glass. The splits (fraction of each material being rejected in each operation) are as given: Material Feed in split Magnet 0.7 tons/hour Disc Screen Air Classifier Раper 40 0.9 0.3 Ferrous 50 0.2 0.2 0.5 Glass 30 0.7 0.8 0.4 For the given layout:- Air classifier - Disc Screen - Magnet (a) Calculate the mass extracted for each unit (b) Calculate the mass rejected for each unit (c) Calculate the overall recovery and purity of paper.
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